Within eQUEST, try to right-click any input field to pull up a (hopefully) relevant DOE2/eQUEST help file article.

Check out the onebuilding.org mailing list archives for [bldg-sim] and [equest-users] (links below).

Sign up for, and begin asking questions on these mailing lists. The body of developers, academics, and practicing end-users represented at this community are the single most powerful source of knowledge you will find outside of formal training.